Find the equation of the line that contains the point (-1, -7) and is parallel to the line 4x + 5y = 9. Write the equation in slope-intercept form, if possible.

If kn = 9 cm, mn = 21 cm, rs = 42 cm, and ps = 18 cm, what is the scale factor of figure klmn to figure pqrs?

Scarlet bought three pairs of sunglasses and two shirts for $81 and paula bought one pair of sunglasses and five shirts for $105 what is the cost of one pair of sunglasses and one shirt?

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup